package com.cat.intrepreter;

/**
 * @author cat
 * @version 2025/5/28 16:59
 * @description
 * @since JDK17
 */

public class Client {
    public static void main(String[] args) {
        // 创建环境对象
        Context context = new Context();

        // 创建变量
        Variable a = new Variable("a");
        Variable b = new Variable("b");
        Variable c = new Variable("c");
        Variable d = new Variable("d");

        context.assign(a, 1);
        context.assign(b, 2);
        context.assign(c, 3);
        context.assign(d, 4);

        AbstractExpression expression = new Plus(d, new Minus(c, new Plus(a, b)));
        int interpret = expression.interpret(context);
        System.out.println("interpret = " + interpret);
    }
}
